Polyethylene Glycol 400 (PEG 400)

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£252.00

SKU:: 462777
Molecular Weight:: 400
Storage Conditions:: RT
Supplier:: United States Biological
CAS Number:: 25322-68-3
Extra Details:: Poly(ethylene Glycol) ~400 is a polymer of ethylene oxide with a molecular weight of ~400 Daltons. Poly(ethylene Glycol) ~400 is considered a low molecular weight polyethylene glycol, and is used as a hydrophilic molecular probe for measuring intestinal permeability. Poly(ethylene Glycol) ~400 is also used as a hydrophilic plasticizer. Synonyms: Polyglycol; Polyethylene oxide; Polyoxyethylene CAS No: 25322-68-3 Molecular Formula: (C₂H₄O)nH₂O Molecular Weight: ~400 Appearance: Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt. Hydroxyl Value: 264-295 Density (d 20ºC/4ºC): 1.124-1.127 Vapor Pressure: <0.1 hPa ( 20°C) Autoignition Temp: 360 °C (DIN 51794) pH: 5-7 (20°C, 100g/L in H2O) Kinematic Viscosity: 97-110 cSt(20°C) Melting Point: 5°C Storage and Stability: Stable for 12 months after receipt at RT.